• Corporate hedging and the variance of stock returns 

      Biguri, Kizkitza; Brownlees, Christian; Ippolito, Filippo (Journal of Corporate Finance;, Peer reviewed; Journal article, 2022)
      By means of a difference-in-differences approach on the volatility of stock returns (σ-DID), we investigate the effect that hedging has on corporate risk. Examining the relation between hedging and the idiosyncratic variance ...
    • How Does Access to the Unsecured Debt Market Affect Investment? 

      Biguri, Kizkitza (Peer reviewed; Journal article, 2023)
      analyze the relevance of debt composition (secured versus unsecured) for the association between col- lateral and investment. I study a negative shock to the cost and availability of unsecured debt. A decrease in the ...